#Question id: 19002
#Unit 13. Methods in Biology
#Question id: 5617
#Unit 5. Developmental Biology
In sea urchins and mammals, the rise in Ca2+ concentration responsible for the cortical granule reaction is due to
#Question id: 813
#Unit 1. Molecules and their Interaction Relevant to Biology
Which of the following does NOT impose limits on protein folding?
#Question id: 10655
#Unit 10. Ecological Principles
Which of the following statements about the evolution of life histories is correct?
A) Unstable environments with unlimited resources favor r-selected populations.
B) K-selected populations are most often found in environments where density-independent factors are important regulators of population size.
C) Most populations have both r- and K-selected characteristics that vary under different environmental conditions.
D) The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.
#Question id: 32511
#Unit 1. Molecules and their Interaction Relevant to Biology